| RefNo | Title | Date |
| EC/1907/22 | Righi, Augusto: certificate of election to the Royal Society | |
| NLB/17/108 | Copy letter from Arthur William Rucker, to Joseph Larmor, [Fellow of the Royal Society] | 18 July 1898 |
| NLB/31/894 | Copy letter from Robert William Frederick Harrison, to Professor [Augusto] Righi, Fellow of the Royal Society | 2 December 1905 |
| NLB/31/713 | Copy letter from Archibald Geikie, to Professor Augusto Righi, [Fellow of the Royal Society] | 3 November 1905 |
| MS/928/2/134 | Letter from Auguste Righi, Instituto Fisica, Universita di Bologna, Italy, to Charles Vernon Boys | 21 May 1901 |
| MS/928/2/135 | Letter from Auguste Righi, Instituto Fisica, Universita di Bologna, Italy, to Charles Vernon Boys | 10 June 1901 |
| MS/928/2/133 | Letter from Auguste Righi, to Charles Vernon Boys | 12 February 1894 |
| MC/23/389 | Letter from Augusto Righi, Instituto di Fisica della Universita di Bologna, to Professor [Joseph] Larmor | 11 October 1908 |
| NLB/38/638 | Copy letter from John Rose Bradford, to The President of the Torricelli Centenary Celebration, Esposimone di Faenza, Palazzo Minardi, Faenza, Italy | 15 October 1908 |
| MS/928/2/131 | Letter from Auguste Righi, Instituto Fisica, Universita di Bologna, Italy, to Charles Vernon Boys | 20 January 1894 |
| MS/928/2/132 | Postcard from Auguste Righi, Instituto Fisica, Universita di Bologna, Italy, to Charles Vernon Boys | 23 January 1894 |
| MS/603/9/158 | Letter from Augusto Righi, Instituto di Fisica, Universita di Bologna, to [Joseph Larmor] | 8 November 1905 |
| MS/603/9/159 | Letter from Augusto Righi, Instituto di Fisica, Universita di Bologna, to [Joseph Larmor] | 7 April 1913 |